CmdID / az / az backup / az backup vault / az backup vault encryption
az backup vault encryption update
Update encryption properties of a Recovery Services Vault. Azure CLI reference
5 options Its page in the Azure CLI reference
Options
--encryption-key-idThe encryption key id you want to use for encryption--infrastructure-encryption--mi-system-assignedProvide this flag to use system assigned identity for encryption.--mi-user-assignedUserAssigned Identity Id to be used for CMK encryption, this will be applicable for encryption using userassigned identity--tenant-idID of the tenant if the Resource Guard protecting the vault exists in a different tenant.